Less noise in integration test logs

1. Removed commands usage warnings
2. Silence Redis on start (set to warnings only)

rails_application/test/test_helper.rb

@@ -39,6 +39,12 @@ def run_command(command)
 end
 
 class InMemoryRESIntegrationTestCase < ActionDispatch::IntegrationTest
+
+  def setup
+    super
+    Sidekiq.logger.level = Logger::WARN
+  end
+
   def before_setup
     result = super
     @previous_event_store = Rails.configuration.event_store
@@ -110,7 +116,6 @@ def add_product_to_basket(order_id, product_id)
   end
 
   def run_command(command)
-    puts "Command: #{command.class} used in integrations test."
     Rails.configuration.command_bus.call(command)
   end
 end